Head of Giant 330-Million-Year-Old Shark Found in Wall of Kentucky Cave

Researchers have uncovered the remnants of a huge, fossilized shark head in the walls of a cave in Kentucky. The remains of the ancient animal are located in Mammoth Cave National Park, which is home to the longest known cave system on Earth—one that extends for more than 400 miles, according to the National Park Service....
https://www.newsweek.com/head-giant-330-million-year-old-shark-wall-kentucky-cave-1484825